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Silicon Designs Introduces MEMS Variable Capacitive Accelerometers

The Silicon Designs model 2266 is expressly tailored for zero-to-medium frequency applications and offers integral amplification and high-drive, low impedance buffering for precision measurements. The accelerometer produces two analog voltage outputs and supports both single ended and differential modes. Signal outputs are fully differential about a 2.5V common mode voltage. Sensitivity is independent from the supply voltage of +8 to +32V. At zero acceleration, the output differential voltage is nominally 0 VDC; at full scale acceleration, the output differential voltage is ±4 VDC. The sensors feature on-board voltage regulation and an internal voltage reference which eliminates precision power supply requirements. The sensor is relatively insensitive to temperature changes and thermal gradients. Self-calibration is quick and easy. Within standard range (2 g to 400 g), most accelerometers continue to operate after sustained exposures of up to 10K g shock and with limited exposure to temperatures above +200°C. Carefully regulated manufacturing processes ensure that each sensor is made to be virtually identical, allowing users to swap out modules with minimal modifications.

The low-impedance outputs of the Silicon Designs model 2266 will drive more than 100 meters of cable, with an overall flexibility that allows them to be used within a wider variety of applications, including wind turbines (where the sensors can be switched out without unwinding 300’ of cable); aircraft flutter testing (where the entire aircraft can be wired, though sensors only placed where needed); train testing; vehicle suspension testing; road tests; general drivetrain testing; automotive and aerospace NVH; and in-laboratory testing environments, particularly where vibration testing requirements necessitate frequent cable replacement.

For more information about the model 2266 or other products available from Silicon Designs, visit www.silicondesigns.com.

Click here to view data sheet: http://www.silicondesigns.com/ds/ds2266.html  

About Silicon Designs, Inc:
Based in Seattle, Washington, USA, Silicon Designs specializes in the design, development and manufacture of highly rugged industrial grade capacitive accelerometers with integrated amplification. As the OEM of its own MEMS-based accelerometer chips and modules, SDI is able to ensure quality, offer custom design and still keep prices highly competitive. SDI accelerometer models are available in ranges from 2 g to more than 20,000 g. Within the standard range (2 g to 400 g), most accelerometers can continue to operate after sustained exposures of up to 10,000 g shock and with limited exposure to temperatures above +200°C. Carefully regulated manufacturing processes ensure that each sensor is consistently made to be virtually identical, allowing users to swap out modules with little or no testing modifications, saving both time and resources. This also allows test engineers to provide a quick plug-and-play solution for most any application with total trust in the accuracy of sensors used within published specifications.

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